Florissant, MO · Software Engineering Consulting

Architecture. AI.
DevOps. Delivered.

We partner with companies to design scalable platforms, deploy intelligent systems, and optimize the technology investments that drive real business outcomes.

Trusted by teams at

End-to-end engineering
expertise, on demand.

From foundational architecture to intelligent automation — we bring senior-level thinking to every engagement.

Cloud Architecture

We design scalable, resilient cloud-native platforms and define multi-year technology roadmaps aligned to your business strategy. From greenfield builds to legacy modernization — we've done it at Fortune 500 scale.

AWSAzureMicroservicesServerlessEvent-Driven

AI & Machine Learning

We architect AI-native platforms using LLMs, retrieval-augmented generation (RAG), and fine-tuning — building reusable data foundations that make intelligent products possible at any scale.

LLMsRAGAgentic AIAWS BedrockVector DBs

DevOps & CI/CD

We establish DevOps governance, automate deployment pipelines, and implement observability standards that accelerate delivery while keeping systems reliable. Ship faster without breaking things.

TerraformGitLab CIGitHub ActionsAzure DevOps

Network Setup & Management

We plan, deploy, and manage enterprise network infrastructure — from secure VPN configurations and multi-site connectivity to IoT device networks and real-time data streaming at scale.

IoT NetworksVPNReal-Time StreamingPaaS

Optimization & Cost Savings

We audit your cloud spend, API efficiency, and architecture footprint — then make it leaner. Our clients have seen platform performance improve by 193% and operating costs drop by six figures annually.

Cloud CostAPI OptimizationPortfolio Rationalization

Architecture Governance

We introduce review processes, decision frameworks, and reference architectures that reduce technical debt, align teams, and establish engineering standards your organization can build on for years.

ARBTOGAF-alignedTech DebtStandards

Custom Software Development

From greenfield applications to complex integrations, we design and build custom software tailored to your exact needs — clean code, scalable architecture, and delivered on time.

ReactNode.jsPythonGolangAPIsC# / .NET

Website Design & Optimization

We build fast, modern, conversion-focused websites — and optimize existing ones for speed, SEO, and user experience. Whether you need a marketing site, a web app, or a performance overhaul.

UI/UX DesignPerformanceSEOCore Web VitalsReact.js
Engineers collaboratingCircuit board technologyServer infrastructure
300%
Increase in deployment frequency after platform modernization
60%
Reduction in time-to-market for product releases
193%
Platform performance improvement through API & data optimization
$98K
Annual operating cost reduction through architectural rationalization
500M+
Messages/day processed on IoT platform for 1M+ connected devices
4.3ms
Message latency achieved on financial market data platform (down from 18.9ms)

We measure success by your bottom line.

These aren't estimates — they're real numbers from engagements with Fortune 500 companies and high-growth startups. We bring the same rigor and accountability to every client we work with.

Whether you need a platform rebuilt, a pipeline automated, or an AI strategy defined, we tie every technical decision to a business outcome you can measure.

  • 15+ years of enterprise architecture experience
  • Served healthcare, fintech, IoT, edtech & manufacturing
  • Partnered with C-suite and VP-level stakeholders
  • Delivered PCI-certified, HIPAA-aware, TOGAF-aligned systems

Simple engagement,
serious results.

01 —

Discovery Call

We start by understanding your goals, constraints, and current technology landscape — no jargon, no sales pitch.

02 —

Assessment & Roadmap

We audit your architecture and deliver a clear, prioritized roadmap with tangible next steps and expected outcomes.

03 —

Engagement & Delivery

We embed with your team to design, build, and deliver — adapting to your pace and working style throughout.

04 —

Measure & Improve

We track the metrics that matter and iterate. Every engagement closes with documentation your team can own long-term.

Jeffrey Grenard
Jeffrey Grenard
Founder

Director-level architect with 15+ years translating business strategy into scalable, cloud-native platforms. Led architecture across IoT, healthcare, edtech, and financial services — partnering with C-suite leaders at Fortune 500 companies to drive digital transformation and measurable outcomes.

AWSAzureTOGAF-alignedLLMs / RAGTerraformGolangPythonReact.jsC++ / C#
Florissant, Missouri · Serving clients nationwide

Senior talent.
Startup agility.

Grenard Contracting was built on the belief that every company — not just the Fortune 500 — deserves access to senior-level architecture thinking. We're a lean, expert consulting practice that moves fast and delivers real results.

We've architected platforms that process half a billion messages a day, built AI data pipelines for K-12 education, and delivered PCI-certified payment systems for fitness franchises. Our background is broad, and we bring it all to bear for you.

No bloated teams. No offshore handoffs. Just experienced engineers who care about the quality of the work.

HealthcareEdTechIoT / IndustrialFinancial ServicesManufacturingSaaS

Let's build something
worth building.

Tell us what you're working on. We'll respond within one business day.

Or email us directly at info@grenard.cc